Finding the Fourth Proportional to 474,788,892.70, 712,183,339.05 and 147,263,772.70
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Solution
The fourth proportional to 474,788,892.70, 712,183,339.05 and 147,263,772.70 is: 220,895,659.05
Step by Step Solution
- Step 1: Write the proportion equation
474,788,892.70 : 712,183,339.05 = 147,263,772.70 : x - Step 2: Convert to fraction form
474,788,892.70/712,183,339.05 = 147,263,772.70/x - Step 3: Cross multiply
474,788,892.70x = 712,183,339.05 × 147,263,772.70 - Step 4: Simplify right side
474,788,892.70x = 104,878,805,362,586,224 - Step 5: Solve for x
x = 104,878,805,362,586,224/474,788,892.70 - Step 6: Final answer
x = 220,895,659.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.